The "Modern Family" star made the announcement, first reported by People, in a video posted online for the marriage equality organization Tie the Knot. "It's true, I popped the big Q," Ferguson, 36, says in the video. His 27-year-old fiancé then appears onscreen to reveal, "I said yes!"

Ferguson has been dating Mikita, a lawyer, for about two years. "We want our interpersonal relationship to be acknowledged in a union formalized in a wedding ceremony," Ferguson explains in the video. "But we're just like millions of Americans who are denied the basic civil rights to marry the person that we love."

In the video, the couple reveals they've teamed up with the company Tie Bar in which the retailer will donate the proceeds of a special bow tie collection to various organizations seeking to improve civil rights for gay and lesbian couples.